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Medicare Basics

Start with the basics of Medicare before you dive into decision-making.

Learning about Medicare can be like learning a new language. You need to learn the words, understand the main ideas and become fluent in Medicare. We’re here to make that as easy as possible.

From parts and plans and cost-sharing, to formularies, tiers and coverage gaps, we break Medicare down into bite-size chunks that you can understand. And with that knowledge under your belt, you’ll be prepared to explore topics like Enrolling in Medicare and Choosing a Plan.

Plans are insured through UnitedHealthcare Insurance Company or one of its affiliated companies. For Medicare Advantage and Prescription Drug Plans: A Medicare Advantage organization with a Medicare contract and a Medicare-approved Part D sponsor. Enrollment in these plans depends on the plan's contract renewal with Medicare.